Knoxville Weather Forecast
- 72
- 91
Chance Thunderstorms
- 72
- 88
Chance Thunderstorms
- 71
- 88
Rain Showers Likely
- 68
- 85
Chance Rain Showers
- 63
- 78
Chance Rain Showers
- 63
- 76
Chance Rain Showers
Today 9 Aug Knox
Mostly sunny with a slight chance of Showers and Thunderstorms. Highs around 90. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values up to 100.
Tonight 9 Aug Knox
Partly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.
Knoxville Temperature Statistics
August Temperature
Galesburg Municipal Airport (7.5 miles)
Lowest 3 August, 2026
57.7 °FAverage August
71.3 °FHighest 4 August, 2026
85.3 °F
Climate (2021–2026)
Galesburg Municipal Airport (7.5 miles)
Average Low 2021–2026
41.7 °FAverage 2021–2026
52.1 °FAverage High 2021–2026
62.5 °F